What airlines fly to Barcelona?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Barcelona from San Diego according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from San Diego to Barcelona?

British Airways is the most popular carrier operating from San Diego to Barcelona

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of December 2025.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$279 Cheap Flights from San Diego to Barcelona in 2025/26

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Find the cheapest flights from San Diego to Barcelona

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:21 am - 8:50 am

SAN

BCN

14h 29m1 stop

11:00 am - 10:50 pm

BCN

SAN

20h 50m2 stops

$476Multiple Airlines

Tue, Jan 13 - Tue, Jan 27

6:00 pm - 11:05 pm

SAN

BCN

20h 05m2 stops

7:40 am - 11:05 pm

BCN

SAN

24h 25m2 stops

$477Lufthansa

Wed, Jan 7 - Wed, Jan 14

7:30 pm - 5:55 pm

SAN

BCN

37h 25m2 stops

10:40 am - 10:50 pm

BCN

SAN

21h 10m1 stop

$478British Airways

Sun, Feb 1 - Sun, Feb 8

4:00 pm - 7:00 pm

SAN

BCN

18h 00m2 stops

7:50 pm - 10:33 pm

BCN

SAN

35h 43m2 stops

$480SWISS

Thu, Jan 15 - Thu, Jan 22

8:25 am - 8:50 am

SAN

BCN

15h 25m1 stop

10:40 am - 10:50 pm

BCN

SAN

21h 10m1 stop

$482British Airways

Thu, Jan 22 - Thu, Jan 29

6:00 pm - 8:05 pm

SAN

BCN

17h 05m1 stop

2:40 pm - 4:05 pm

BCN

SAN

34h 25m1 stop

$483British Airways

Sun, Jan 11 - Sat, Feb 7

10:50 am - 8:50 am

SAN

BCN

13h 00m1 stop

10:40 am - 7:12 pm

BCN

SAN

17h 32m1 stop

$484Multiple Airlines

Thu, Jan 8 - Wed, Feb 4

2:55 pm - 5:05 pm

SAN

BCN

17h 10m2 stops

10:05 am - 10:31 pm

BCN

SAN

21h 26m2 stops

$485Multiple Airlines

Fri, Jan 23 - Fri, Jan 30

2:55 pm - 5:05 pm

SAN

BCN

17h 10m2 stops

10:05 am - 10:31 pm

BCN

SAN

21h 26m2 stops

$486Multiple Airlines

Fri, Jan 23 - Fri, Jan 30

7:30 pm - 5:55 pm

SAN

BCN

37h 25m2 stops

6:40 am - 10:50 pm

BCN

SAN

25h 10m2 stops

$487British Airways

Sun, Feb 1 - Sun, Feb 8

Lufthansa flights from San Diego to Barcelona

Our best Lufthansa deals on San Diego to Barcelona flight tickets

Lufthansa

Jan 7

SAN6:00 pmSan Diego

20h 05m

2 stops

BCN11:05 pmBarcelona-El Prat

Jan 14

BCN7:40 amBarcelona-El Prat

24h 25m

2 stops

SAN11:05 pmSan Diego

$477

Find similar

Lufthansa

Jan 9

SAN6:00 pmSan Diego

20h 05m

2 stops

BCN11:05 pmBarcelona-El Prat

Feb 3

BCN6:20 pmBarcelona-El Prat

30h 25m

1 stop

SAN3:45 pmSan Diego

$498

Find similar

Lufthansa

Jan 7

SAN6:00 pmSan Diego

20h 05m

2 stops

BCN11:05 pmBarcelona-El Prat

Feb 9

BCN6:50 amBarcelona-El Prat

26h 25m

2 stops

SAN12:15 amSan Diego

$500

Find similar

British Airways flights from San Diego to Barcelona

Our best British Airways deals on San Diego to Barcelona flight tickets

British Airways

Feb 1

SAN7:30 pmSan Diego

37h 25m

2 stops

BCN5:55 pmBarcelona-El Prat

Feb 8

BCN10:40 amBarcelona-El Prat

21h 10m

1 stop

SAN10:50 pmSan Diego

$478

Find similar

British Airways

Jan 11

SAN6:00 pmSan Diego

16h 05m

1 stop

BCN7:05 pmBarcelona-El Prat

Jan 25

BCN6:55 pmBarcelona-El Prat

30h 15m

1 stop

SAN4:10 pmSan Diego

$483

Find similar

British Airways

Feb 27

SAN6:15 amSan Diego

28h 35m

2 stops

BCN7:50 pmBarcelona-El Prat

Mar 3

BCN6:40 amBarcelona-El Prat

24h 46m

2 stops

SAN10:26 pmSan Diego

$532

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 1/13

9:21 am-8:50 am

1 stop14h 29m

Barcelona-El Prat

Tue 1/27

11:00 am-10:50 pm

2 stops20h 50m

$476

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 1/7

6:00 pm-11:05 pm

2 stops20h 05m

Barcelona-El Prat

Wed 1/14

7:40 am-11:05 pm

2 stops24h 25m

$477

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 2/1

7:30 pm-5:55 pm

2 stops37h 25m

Barcelona-El Prat

Sun 2/8

10:40 am-10:50 pm

1 stop21h 10m

$478

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 1/15

4:00 pm-7:00 pm

2 stops18h 00m

Barcelona-El Prat

Thu 1/22

7:50 pm-10:33 pm

2 stops35h 43m

$480

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 1/22

8:25 am-8:50 am

1 stop15h 25m

Barcelona-El Prat

Thu 1/29

10:40 am-10:50 pm

1 stop21h 10m

$482

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 1/11

6:00 pm-8:05 pm

1 stop17h 05m

Barcelona-El Prat

Sat 2/7

2:40 pm-4:05 pm

1 stop34h 25m

$483

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 1/8

10:50 am-8:50 am

1 stop13h 00m

Barcelona-El Prat

Wed 2/4

10:40 am-7:12 pm

1 stop17h 32m

$484

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 1/23

2:55 pm-5:05 pm

2 stops17h 10m

Barcelona-El Prat

Fri 1/30

10:05 am-10:31 pm

2 stops21h 26m

$485

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 1/23

2:55 pm-5:05 pm

2 stops17h 10m

Barcelona-El Prat

Fri 1/30

10:05 am-10:31 pm

2 stops21h 26m

$486

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 2/1

7:30 pm-5:55 pm

2 stops37h 25m

Barcelona-El Prat

Sun 2/8

6:40 am-10:50 pm

2 stops25h 10m

$487

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of November is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $632. If you don’t want to visit Barcelona in November, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of $700.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from San Diego to Barcelona is on a Wednesday when prices can be found for as low as $782. On the other hand, Thursday is the most expensive day to depart from San Diego because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,006.

What is the cheapest time of day to depart on your flight to Barcelona?

In the afternoon is the cheapest time of day to fly from San Diego to Barcelona when you can find flight prices for as low as $850. Flying to Barcelona in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $939 on average. Flights to Barcelona from San Diego in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $836 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $743 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Fastest flight time	13h 48m
Direct flights	None

The fastest flight from San Diego to Barcelona takes 13h 48m

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 13h 48m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of December 2025.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $483	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
Iberia	PriceFrom $492	Free Cancellation	Rating 7.0 3,045 reviews	Search Iberia flights
Delta	PriceFrom $493	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
Air Canada	PriceFrom $528	Free Cancellation	Rating 7.1 10,514 reviews	Search Air Canada flights
Lufthansa	PriceFrom $556	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
United Airlines	PriceFrom $562	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
British Airways	PriceFrom $581	Free Cancellation	Rating 6.7 7,573 reviews	Search British Airways flights
American Airlines	PriceFrom $634	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.